/*
* jQuery UI Effects Explode 1.8.7
*
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Effects/Explode
*
* Depends:
*	jquery.effects.core.js
*/
(function ($, undefined) {
    $.effects.explode = function (o) {
        return this.queue(function () {
            var rows = o.options.pieces ? Math.round(Math.sqrt(o.options.pieces)) : 3;
            var cells = o.options.pieces ? Math.round(Math.sqrt(o.options.pieces)) : 3;

            o.options.mode = o.options.mode == 'toggle' ? ($(this).is(':visible') ? 'hide' : 'show') : o.options.mode;
            var el = $(this).show().css('visibility', 'hidden');
            var offset = el.offset();

            //Substract the margins - not fixing the problem yet.
            offset.top -= parseInt(el.css("marginTop"), 10) || 0;
            offset.left -= parseInt(el.css("marginLeft"), 10) || 0;

            var width = el.outerWidth(true);
            var height = el.outerHeight(true);

            for (var i = 0; i < rows; i++) { // =
                for (var j = 0; j < cells; j++) { // ||
                    el
				.clone()
				.appendTo('body')
				.wrap('<div></div>')
				.css({
				    position: 'absolute',
				    visibility: 'visible',
				    left: -j * (width / cells),
				    top: -i * (height / rows)
				})
				.parent()
				.addClass('ui-effects-explode')
				.css({
				    position: 'absolute',
				    overflow: 'hidden',
				    width: width / cells,
				    height: height / rows,
				    left: offset.left + j * (width / cells) + (o.options.mode == 'show' ? (j - Math.floor(cells / 2)) * (width / cells) : 0),
				    top: offset.top + i * (height / rows) + (o.options.mode == 'show' ? (i - Math.floor(rows / 2)) * (height / rows) : 0),
				    opacity: o.options.mode == 'show' ? 0 : 1
				}).animate({
				    left: offset.left + j * (width / cells) + (o.options.mode == 'show' ? 0 : (j - Math.floor(cells / 2)) * (width / cells)),
				    top: offset.top + i * (height / rows) + (o.options.mode == 'show' ? 0 : (i - Math.floor(rows / 2)) * (height / rows)),
				    opacity: o.options.mode == 'show' ? 1 : 0
				}, o.duration || 500);
                }
            }

            // Set a timeout, to call the callback approx. when the other animations have finished
            setTimeout(function () {
                o.options.mode == 'show' ? el.css({ visibility: 'visible' }) : el.css({ visibility: 'visible' }).hide();
                if (o.callback) o.callback.apply(el[0]); // Callback
                el.dequeue();

                $('div.ui-effects-explode').remove();
            }, o.duration || 500);
        });
    };
})(jQuery);